Home / 34,705.27-47,893.29-18,789.72

Finding the Fourth Proportional to 34,705.27, 47,893.29 and 18,789.72

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Solution

The fourth proportional to 34,705.27, 47,893.29 and 18,789.72 is: 25,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.27 : 47,893.29 = 18,789.72 : x
  2. Step 2: Convert to fraction form
    34,705.27/47,893.29 = 18,789.72/x
  3. Step 3: Cross multiply
    34,705.27x = 47,893.29 × 18,789.72
  4. Step 4: Simplify right side
    34,705.27x = 899,901,508.98
  5. Step 5: Solve for x
    x = 899,901,508.98/34,705.27
  6. Step 6: Final answer
    x = 25,929.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.